Physics, 05.03.2021 19:40 lauryngrace37
An inclined plane of length 4.5m and vertical height 1.5m is use to lift the load of 100N. what effort is required if the efficiency is 80%?β
Answers: 1
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1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25Β° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
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Physics, 22.06.2019 11:40
Consider the following position function. find (a) the velocity and the speed of the object and (b) the acceleration of the object. bold r left parenthesis t right parenthesisr(t)equals=left angle 6 t superscript 4 baseline comma 2 t cubed right angle6t4,2t3 for tgreater than or equalsβ₯0
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Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?
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An object with a speed of 10 m/s is moving in a direction of 30 degrees above the positive x-axis. the y-component of its velocity vector is most nearly
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An inclined plane of length 4.5m and vertical height 1.5m is use to lift the load of 100N. what effo...
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